Describe the given region in polar coordinates. 713 The lower portion of the region is sos . |srs . The upper portion of the region is ]sos] sr=] (Type an exact answer, using x as needed.) B to search O 199+ FSketch the region bounded by the given line and curve. Then express the region's area as an iterated double integral and evaluate the integral. The parabola x = - y and the line y = x + 42 Sketch the region. Choose the correct graph below. OA O B. O c. D. 50- 50- Q Q 50 Express the shaded area as an iterated integral. Select the correct choice below and fill in the answer boxes to complete your choice OA A= dx dy - 38 OB. A= [ J oxay + J J axdy The value of the integral is |.(Simplify your answer Type an integer or a fraction.) B F to search O hpWrite an iterated integral for dA over the region R described to the right using R a. vertical cross-sections. Q b. horizontal cross-sections. y = 4x y=x a. Write the correct iterated integral using vertical cross-sections. Select the correct answer below and fill in the answer boxes to complete your choice. OA dy dx O B. dx dy b. Write the correct iterated integral using horizontal cross-sections. Select the correct answer below and fill in the answer boxes to complete your choice OA x dy 99 B F here to search